Fig. 5 Growth curve test of the wild-type Po82, ΔPo82copA and pBBR-ΔPo82copA strains
* indicates significant difference between the mutant strain and wild-type strain under the same treatment (0.01<P ≤0.05); ** indicates extremely significant difference between the mutant strain and wild-type strain under the same treatment (P <0.01). The same as below
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